Dogit Style Footloose Medium Adjustable Nylon Collar with Plastic Snap, 5/8-Inch by 12-Inch to 18-Inch, Blue on Blue Nylon Adjustable nylon collar with plastic snap; Durable Smart collar construction Matching leashes available (separately) Measures 5/8-inch width and adjusts from 12 to 18-inch around Footloose design, Blue on blue nylon